1146861 has 12 divisors (see below), whose sum is σ = 1684540. Its totient is φ = 751680.

The previous prime is 1146857. The next prime is 1146869. The reversal of 1146861 is 1686411.

It can be written as a sum of positive squares in 2 ways, for example, as 476100 + 670761 = 690^2 + 819^2 .

It is not a de Polignac number, because 1146861 - 2² = 1146857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 496 + ... + 1593.

2^1146861 is an apocalyptic number.

It is an amenable number.

1146861 is a deficient number, since it is larger than the sum of its proper divisors (537679).

1146861 is a wasteful number, since it uses less digits than its factorization.

1146861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156 (or 2153 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 1146861 is about 1070.9159630895. The cubic root of 1146861 is about 104.6735438884.

The spelling of 1146861 in words is "one million, one hundred forty-six thousand, eight hundred sixty-one".